Keeping Drought Tolerant Plants Happy

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Taking Care of Your Wildflower Seeds When it’s Dry

by Sandy Swegel

One of the most popular mixes of wildflower seeds that we sell is the Drought Tolerant Mix.  It’s a good combination of both perennial and annual flowers that can handle some stressful situations and still make beautiful flowers.

Growing drought-tolerant plants may be different than gardening the way most of us are used to.  While supplemental water is helpful during germination and the early growth of the plant, too much water will most often cause the plants to have too much fast green growth that is weak. A heavily watered drought-tolerant plant will often produce few flowers and in rich moist garden soil can simply rot and die.

Understanding what it is that makes plants “drought tolerant” may help you understand better how to care for the plants.  Even drought-tolerant wildflowers still need water to thrive, (they are drought “tolerant” not drought “loving”), but they have adapted to drought conditions in several clever ways.

Some plants, especially ones that thrive in the prairie, grow very long tap roots that seek out water deep below the surface.  Coneflower and butterfly weed are two plants that have taproots. Dandelions too, that’s one reason they are so tough to get rid of.

Other plants learn to store water.  Cacti and yucca come to mind first, but other plants that store water in the leaves are succulents like sedums or hen and chicks.  Break open a leaf and gel-like water oozes out. Some sturdy wildflowers save water in their roots.  The tubers that Liatris makes are a good example.Tag for Drought-Tolerant Wildflower Mix packet.

A common adaptation to drought has been to conserve water by limiting the amount of water the plants lose to the air.   Plants typically lose water through their leaves, so drought-tolerant plants will have leaves that conserve water…by having narrow leaves like penstemon, or hairy leaves such as lamb’s ear. Other plants have silver or bluish leaves that reflect back the sunlight. Desert marigolds conserve water this way.

Once you understand how the plants are holding onto water, it makes sense that lots of water would stress drought-tolerant wildflowers.  They would have no way to get rid of the extra water.

Photo credit: http://www.geograph.org.uk/photo/473362

 

How to Become a Great Gardener

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Why You Should be a Self-Taught Gardner

by Sandy Swegel

I garden and landscape for a living.  I have accumulated a massive amount of information about the best ways to grow things, to take care of the soil, to encourage native plants and bees, etc.  When I’m talking to people, they naturally assume I have a degree in horticulture or botany.  So it surprises people to learn I have a BA in History and an MA in Theology. I’ve been thinking a lot about this because my friend’s kids are all starting college and trying to decide what to major in.  I had no idea when I was 18 that I would one day garden for a living.  But studying history taught me to think and analyze and reflect. And studying theology taught me the world is a mystery and it’s important to learn to observe and notice and simply “be” with nature.

So I encourage everyone to become self-taught gardening experts. You don’t have to go to school or even study.  You just need to start noticing what’s going on in the natural world. No teacher can tell you as much as your own personal experience will.  If you’re just a little systematic about it, you can be a much better gardener at the end of this year. Here’s some homework to learn how to become a great gardener:

Journal.

Keeping a garden journal of what you do, what you plant and what the weather is like is a great way to learn.  You may not know why what you are writing is important (when you planted, when plants started, days without rain, birds and insects observed, etc) but in hindsight, you can figure out when to plant so there are flowers for hummingbirds, or how much rain it takes to have big fungal outbreaks.  Even just being able to read the seed packet you glued into your journal when it’s time to harvest will be a big help.  Keep notes. Understand them later.

Pick a specialty this season.

One year I decided to learn herbs.  I bought seeds and plants of every herb I could think of and grew them in a tiny 4 x 6-foot garden. I learned tansy is a big space hog that kinda stinks and crowds out the other plants, that cilantro and dill practically grow themselves, and that ginger root from the grocery store grows beautiful plants and tons of free ginger.

Take pictures of everything that intrigues you.

Take shots of plants in other people’s yards, wildflowers on walks, blooming containers, weird plants you’ve never seen before. The photos will show you what you like and what really interests you.

Observe.

Just look and notice everywhere you go. Ask questions of gardeners. Wonder about the weather. Notice creepy crawly things or buzzing flying things.  Again. Just take notice with a sense of wonder. You’ll make sense of it eventually.

One thing I’ve noticed about our BBB Seed readers:  you notice the natural world. You stand in awe at beautiful landscapes, tiny birds in nests, and clever ways people arrange flowers in a shabby chic decoration.  Use these great powers of observation and really teach yourself something new this year.

Fall Gardening: Getting Ready

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Preparing Your Garden For Fall

by Sandy Swegel

What a great time of year this is.  And not just because the harvest is upon us and tomatoes are ripening and winter squash are filling out.  It’s a great time because school is starting again and school supplies are in the stores bringing up great memories and nostalgia for the beginning of the school year.  Sure we all hated summer vacation ending, but getting new pencils and notebooks and going back to school and seeing old friends was invigorating. The slight nip in the night air that starts in August in Colorado stimulates a new enthusiasm, much like a new year or a new chance.

Going into the garden in August is a lot like getting ready for school again.  First, you have to get rid of the chaos and clutter of summer.  We’ve been vacationing or sneaking naps in hammocks and somehow, the weeds we were carefully hoeing when they were an inch tall in May, have grown taller than us and have seed heads. So the first step of getting ready for Fall Gardening is taking a deep breath and clearing out the weeds and debris that might have snuck into the garden.

On Your Marks First, you have to be able to see your marks.  Clear out the weeds that are choking things like the bindweed threatening to bring the corn to its knees. Pull out tough stalks of spring lettuce.  They’re done…let them go! Those radishes that have been baking in the summer heat…time to recycle them into compost. Any place with diseased-looking leaves:  clear out every last leaf to reduce the chances of trouble there in the future.

Get Ready. Get ready to meet old friends again…the cold-hardy or cool season crops.  These are all the sturdy plants that don’t mind a morning freeze.  Swiss Chard and Kale or Spinach can be frozen solid on an October morning and be perfect for dinner that night.  The secret to having fresh vegetables in the Fall and long into winter is to plant while the soil is warm so that the plant is full-grown by frost.  After it gets cold, plants don’t grow very quickly, but the garden will keep them ready to eat for months.  Get ready to plant a big garden.  It’s not the end of a garden season, but the beginning of one.

Get Set. Make a plan.  Think about how many salads you’ll want  (or how many pounds of greens you bought last year.)  For greens, you want two general different kinds:  the soft sweet salad greens that will last you until hard frost and the sturdy kales and chards and collards that will be good for cooking. The local farmers call it a “braising mix” that you can pick and stir-fry well into winter. Don’t forget carrots.   This is also time to make a plan if you want a cold frame or want to set up a row cover to extend the season.

Go. It’s just like Spring again…only this time your mind isn’t gaga over a million possible gardens.  So focus on the task at hand—growing enough food for you and your family and friends to eat all Fall and Winter. Prepare the soil. Dig out big weeds. Mix in compost or organic fertilizer. Smooth the surface. Water thoroughly. Let the soil sit for two weeks for soil activity to restore itself. Order the seed you don’t have. Try something a little different like the Asian greens or just something new. They should arrive by the time your soil has rested. Plan a season extender. You can stretch your fall garden into January or February even if you live in a cold place. You can use a cold frame, a hoop house, some row cover or just bags of Fall leaves thrown over plants on extra cold nights.

Tweaking Your Tomatoes

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Try These Two Tomato Growing Tips

by Sandy Swegel

The harvest season is going strong and it’s a good time to look around and notice what garden “tweaks” might have worked this year.  By tweaks I mean the new techniques I might have tried, or tips my neighbors gave me or even changes in location, sun or water.  Tomatoes are pretty much the most important crop in the home garden, at least from the perspective of pride and bragging rights.

Because I help several of my clients with their gardens, I have the advantage of being able to compare techniques in different locations under different conditions.  You can do this in your own garden by doing “controls” like in a science experiment.  You plant some plants in a new way and some plants like you always have.  Here are two tweaks I tried this year that were wildly successful and are now part of “How I Grow Tomatoes.”

BIG HOLE. Wider and Deeper. I’ve always know tomatoes needed a big hole with compost and manure.  This year I was really worried about two different gardens…one was a new garden on not great soil and one was an established garden where the tomatoes didn’t do very well at all last year.  What I did, made the biggest strongest earliest tomatoes I have ever grown.

The holes were big…at least a five-gallon pot size. I always think I dig a big hole, but this time I made sure that a five-gallon pot could fit in the hole before I pronounced it big enough.  I filled the hole halfway with compost and composted manure and then mixed in some soil. At the base of the hole, I spread a huge handful of Alpha One Organic Fertilizer full of blood meal, bone meal, cottonseed meal and alfalfa meal. I filled the hole with water. I removed all but two or three of the transplant’s leaves and planted it up to its neck and filled in with the soil compost mix.  I drenched everything with water again. It looked pretty goofy – such a big hole for two leaves – but the eight tomatoes in each location that I planted like this loved having their roots directly in such a well-fed pre-watered environment.  Control tomatoes where I put equivalent amounts of food mixed in the soil in general or on the surface did well, but not as amazingly well.  I don’t think this would work with synthetic fertilizer because the roots might burn.  More food, more loose soil for air and more water to penetrate, all paid off.

Break the Soil Fungus and Disease Cycle. Lots of tomato diseases last year and a wet spring mean a lot of diseases this year.  I learned that fungi overwinter in the soil and then spread to the plant when rain or water splashes soil up to the leaves.  Early in the season when the tomato plant was small, I kept the soil surface covered with dry grass clippings or newspaper.  As soon as the plant was a couple feet tall, I started pulling off lower leaves so the bottom six to eight inches of the stem was bare.  I kept mulching low and dry on the surface. Keeping the leaves trimmed up and not letting foliage from higher up fall over, kept the air flowing too. These plants had fewer fungus problems than control tomatoes.

The other ruthless thing I did was change my attitude of letting a sickly looking plant stay for another week to see if it improved.  With tomato viruses and bacterial blights rampant this year, I planted more tomato plants than I needed and immediately yanked any plant that showed classic wilting symptoms. It helped that I planted at least two plants each of my favorite varieties so I didn’t have to throw out the only plant of my favorite in the world Black Krim Tomato.

If you had tweaks to your tomatoes this year, let us know.  We’re taking ideas to try next season. It’s a matter of pride and bragging rights.

After the Hail

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How to Recover Your Garden After a Storm

by Sandy Swegel

“Gardening in Colorado sucks” is how my friend described her garden after a violent storm full of hail and tornadoes passed through the towns east of Boulder this week.  Much more vivid expletives were used by all as we surveyed the destruction brought by 2-1/2 inches of rain in less than a half hour and hail that had to be cleared by snow plows.  We were actually quite lucky.  Tornado sirens were going off all over town, but there weren’t many touchdowns.

But the garden is devastated.  Well, let me correct that. The xeric plants are doing fine.  They are thin-leaved and flexible and have adapted to millennia of hail on the high plains. Russian sage and grasses and Liatris look great. Cactus definitely didn’t care.  But the plants we love in our yards: the roses and deciduous trees had their leaves shredded by the hail and broken by the winds.  Thank God we don’t rely on our vegetable gardens as our only source of food.  Corn was broken, squash stems were ripped and shredded.  The zucchini has so many stems and leaves, it will survive, but we can forget winter squash and watermelons and pumpkins.

So what can a gardener do after hail? We cowered in our houses as tornado sirens wailing “Get to shelter immediately.” Unlike Dorothy and Auntie Em in the tornado shelter, we were in furnished basements with our wireless devices googling for webcams of what was going on outside. But once we emerged, the response was pretty much the same.  “Holy xxxx”

After the storm, gardeners have to take it easy.  Remove the huge broken branches to the curb. Clean up fallen leaves.  Get your roof patched.  But don’t start cutting back the garden.  Plants are going to need whatever leaves they have left to photosynthesize for the rest of the season.  Take a day or two off so you don’t overreact.  I spent hours picking up debris and cutting stems that were completely broken.

Perennials:  do as little as possible to let leaves keep making food.

Annuals:  Cut back broken parts of flowers like snapdragons and cosmos.  Leave trailing things like sweet potato vines be for a week or so. They will often make new leaves at each node.

Shrubs:  Cut broken parts and let them be.  Like trees, they will start putting out new leaves.  I’m not completely convinced fertilizing helps now because it will stimulate new growth.  I’ll do regular fall fertilizing with a slow-release natural fertilizer.

Trees:  The trees have had such a hard year.  They struggled with late frosts this spring that killed off their first set of leaves and they had to generate a second set of leaves.  Now the hail means they’ll start growing a third set of leaves.  They will really use their food reserves.  I hope it’s not a hard winter.  When the tree dies a year or two from now, we often forget that it was the hail this year that helped do them in.

About the only other thing to do besides keep filling the compost bins is to make sure everything is well watered and mulched going into winter. Don’t pull out plants that look dead…their capacity for regeneration is amazing.

Well, there is one more thing to do:  heal the gardener’s soul by planting some new plants to bring hope and beauty back into the landscape.

My Squash is Wilting

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Trying To Get Along With the Squash Bug

by Sandy Swegel

Eww…Yet another bug thriving this year and ruining my food.  Most of us have experienced our squashes suffering from powdery mildew that coats the leaves white, but knowledgeable gardeners are perplexed here in Colorado by squash that suddenly completely wilts and die (Asana wilt).

Turns out squash is wilting often due to a very small bug, the squash bug, that injects a nasty venom into the stems wilting and killing the entire vine.

“Can’t we just all get along?” I holler at them.  There’s an entire large squash plant and I’m willing to share with bugs….but the squash bug wants it all.

This is a pest you need to be aggressive with if you see it because it doesn’t share but will kill your whole plant given a chance. Look for the adult bug (looks a bit like a stink bug) or nymph (distinctive antenna and small head) and kill it (take a small bucket of soapy water into the garden with you and throw the bugs in, to drown them, if you don’t want to ‘squash’ them). More importantly, look for the eggs on the underside of leaves and crush them.  Handpicking works well in a small garden if you’re vigilant.

We have to stand our ground against creatures like the squash bug. I explain it to them as I dunk them in the soapy water or throw them to my chickens….if you don’t share and play well with others, you lose your privileges in my garden!

For more info http://www.ext.colostate.edu/pubs/insect/05609.html

 http://extension.entm.purdue.edu/4h/default.php?page=snr40&stage=larva

Two Midsummer Tasks

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Taking Care of Your Plants in the Heat

July can be hot in the garden.  If you’ve kept up with weeding earlier in the season, there may not be too much work outside of harvesting veggies.  Two midsummer tasks are important now.

Fertilize plants that have been working hard.

Tomatoes….because I want lots of tomatoes and the plants are growing like crazy in the summer heat.  I fertilize with a liquid organic bloom fertilizer.

Roses….because they just finished their big summer grand blooming and will rest a bit….but I want another big flourish as soon as the weather cools a bit.  I like the organic granular fertilizers although if there are dogs in the yard who try to eat the blood meal and bone meal in them, you’ll need to use a liquid.

Greens and other vegetables.  The chard and kales have been working hard and I will treat them to a nice kelp foliar spray.  It also makes the garden smell like ocean breezes!

Start seeds for your Fall Garden. This is hard to remember in the summer heat.  But now is the time to start broccoli and cauliflower plants so they’ll be ready to mature and sweeten in crisp Fall nights.

And if you like peas….it’s a good time to get them started again.  I waited till August last year and didn’t get much of a Fall crop.

Of course, you should always keep up your succession planting….keep putting in new plants or seeds where you’re pulling old ones out.

Happy Summer Days!

Too Many Zucchini? Eat the Flowers.

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How to Cook and Eat Your Squash Blossoms

by Sandy Swegel

The zucchini in our garden is just starting, so there’s not too much of it yet.  So far, it’s still a nice dish to have sauteed or lightly grilled zucchini and yellow squash.  But I know the day will be here soon when there’s too much zucchini for any normal person. There’s one really good way to avoid too many zucchinis:  eat the flowers. New flowers form right away so you don’t have to worry about not having enough zucchini.

I first learned about eating squash blossoms from my friend Alfredo who grew up on a ranch in Mexico. Squash blossoms were one of his favorite foods as a kid so his eyes still light up when he sees the bright yellow flowers. Squash are ready in Spring in warm Mexico so he remembered eating flores de calabaza stuffed with cheese, breaded and fried for the Cinco de Mayo holiday.  Yum.

Here are some popular ways to eat squash blossoms:

Mexican Squash Blossom Quesadillas You saute the squash blossoms with the onions and peppers to make a great quesadilla filling.  And you get to use LOTS of squash blossoms because they cook down so much.

Batter-fried Squash Blossoms Dip into a flour batter and fry. Crispy and flavorful.

Squash Blossom Frittata Another good use for all those eggs from backyard chickens.

Stuffed Squash Blossoms Squash are great for stuffing.  Stuff them and then pan fry or deep fry them. Good stuffing variations are goat cheese and fresh herbs or sauteed mushroom, onion, garlic and ricotta.

Here are more details on five recipes you can experiment with. http://www.seasonalchef.com/recipe0805b.htm

The absolute cutest squash blossom recipe is one that waits till small yellow squash are formed but before the blossom falls off before taking the flower. It’s a great Cajun recipe that pairs the squash with catfish.  Down South, there are about as many catfish as there are squash….so it’s a great way to use the abundance of fish and food! And so many good Louisiana recipes are just an excuse to eat stuffing!

http://rvcooking.cajunville.com/?p=3161

Seed Starting in July

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How To Know What to Plant This Month

by Sandy Swegel

As a gardener, I’m always surprised by the veggie seed sales in July.  I know from a marketing point of view the prime seed-buying season has past and companies have to move product still in inventory.  But from a gardening perspective, it doesn’t make much sense to give 50% discounts in July because a gardener should be starting lots of seeds now.  It’s the perfect time to start seeds!  Of course, I always think it’s the perfect time to start seeds.

How to know what to plant in July?  Stand in the garden and look around.

What do you not have enough of?  I don’t know why I thought ten chard plants would be enough when I love to eat the red-stemmed chard.  There’s barely enough to eat for this week much less into the Fall.  And kale?  I didn’t know last Spring that I’d get into juicing this summer….I’ve gone through all my kale and spinach.  And carrots add so much sweetness to juice I clearly need more.

What do you want to can? More beans, please.  More cucumbers.  Beets for pickling.

What do you want growing in Fall? Broccoli is so good in Fall.  Our CSAs are starting their broccolis now for Fall sales.

Typical plantings in July:

Beans Carrots Cucumbers Beets Kale Spinach Chard Scallions

You can try some of the atypical plantings too.  I’ve seen research from Iowa that says you can still plant corn up to the fourth of July and get a reasonable crop.

It’s probably too late for squash or tomatoes to grow from seed….but those seeds store for many years, so if there are varieties you know you’ll want to plant next year, it’s fine to buy the seeds now.

While you’re in the veggie garden, this is also a good time to plant perennial herbs and flowers that will last for years and bring pollinators.  This is also a great time to seed annuals that reseed themselves.  Cosmos and marigolds are good examples.

The biggest challenge to seed starting in July is making sure the seedbed stays moist during germination.  A sprinkler set with a timer to run just a short while every day helps.  Or my personal favorite and much written about helper:  row cover.  Put your seeds down. Water thoroughly. Lay some row cover over the seeded area with rocks to hold the row cover down.  That will give you some extra needed protection from the hot July sun.

Tomatoes: What to do When There are Problems in Paradise

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Tomato Problem Solving

by Sandy Swegel

OK so only gardeners think of their tomato gardens as paradise, but what a grand time of year this is.  In some places, tomato growers are boasting about having ripe tomatoes before the 4th of July. Here in Colorado after a long cool spring, we’re just happy to see them thrive in the heat.  But with tomato plants comes the anxiety over pests and diseases.  Aphids are having a banner year and everyone is fearful of the psyllids that fly up from Mexico or the early blights/late blights, middle of season blights.

A friend with a bunch of kids compares growing tomatoes with having kids.  Parents are so worried about the first-born—you call the doctor at every sniffle. You watch the kid constantly, fearful that impending disaster awaits around every corner.  My baby sister wails that when you’re the last kid you have to practically be on fire to get mom’s attention.

As the first born, I am greatly amused by this.  But this is no way to grow tomatoes. You’ll go crazy if you try to treat or prevent every affliction.  If you can remember last year’s garden, you’ll remember similarly panicking over tomato problems at the beginning of the year.  But by September, you had to see the tomato plant in distress from the neighbor’s house two yards over before you thought, “Gee, maybe I should check that plant, the next time I am pulling buckets of tomatoes off of it.”

Most of the time your tomatoes survive the diseases and pests that come at them.  Your job is not hypervigilance, but simply creating the best environment to make them strong.

• Good Air Flow.

Air circulation is one of any plants best defenses against disease and pests. Space your plants so they aren’t all crowding one another so that if one tomato does have a problem, it doesn’t instantly spread to everyone else.  The market farmers here help air flow on larger plants by pulling the leaves off of the bottom six inches of plants so fungal spores don’t splash up on the plant.

• Adequate and Consistent Water.

Tomatoes thrive when they can count on their soil being evenly watered…and not going through dry as dust or swamp cycles.  Put a soaker hose on a timer if you have trouble remembering.

• Food.

As I’m sure you’ve heard before, tomatoes are heavy feeders.  If you planted in a big potting hole full of compost or manure and natural fertilizer, that might be enough. Otherwise, you’re going to have to do some feeding to get the big crop of tomatoes you want.

• Tolerance.

Most pests of tomatoes resolve themselves.  Flea beetles leave their shotgun holes all over the leaves, but the plant outgrows them.  Aphids fester, but in a pesticide-free garden, the ladybugs will usually show up a few days later. Or you can use the garden hose to spray them off. For more serious diseases like viruses, there’s not much you can do this season (just like antibiotics don’t treat colds.) You can pull the plant if it’s dying and start deciding where you’re going to rotate the tomatoes to next year.

• A little bitty bottle of Dr. Bronner’s.

Dr. Bronner’s is pure castile soap and available in little bottles for $2.  Mix a couple of drops with water in a spray bottle and that’s enough to treat most pests and fungal disease. Don’t overdo it.  And don’t go to the store to get all the chemicals to kill those pests that just end up killing your soil and you.

• Look at websites about tomato diseases.

If you have a healthy environment with air and food and water for your plants and you still see disease you worry about, go in and research it.  With any luck, the internet will suck you in and soon it will be dark and it’s too late to do anything today. By tomorrow you’ll forget and by next week your tomatoes will be pumping out tomatoes so you won’t worry anymore.

So just pretend tomatoes are your last kid. You love them just as much and you give them everything to grow healthy and happy and strong, but you don’t hover.  Relax and watch the miracle of tomatoes happen in the paradise of your garden.